LENKA ,D. (2018). CLIMATE, WEATHER AND CROP IN INDIA (2ND.). KALYAN PUBLISHERS, LUDHIYANA.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLENKA ,D. CLIMATE, WEATHER AND CROP IN INDIA. 2ND. KALYAN PUBLISHERS, LUDHIYANA, 2018.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLENKA ,D. CLIMATE, WEATHER AND CROP IN INDIA. 2ND. KALYAN PUBLISHERS, LUDHIYANA, 2018.
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